How should FAS be correctly applied to combat bedbugs and how should it be diluted? - briefly
Apply FAS as a fine mist directly onto all infested surfaces, including cracks, seams, and bedding, ensuring complete coverage and allowing the product to remain wet for the label‑specified contact time before ventilating the area. Dilute the concentrate to a 0.5 % v/v solution (approximately 1 ml concentrate per 200 ml water) unless the manufacturer’s instructions prescribe a different ratio, and mix thoroughly before application.
How should FAS be correctly applied to combat bedbugs and how should it be diluted? - in detail
Apply FAS only after thorough inspection of infested areas. Remove clutter, vacuum seams, and wash bedding at 60 °C to reduce hiding places. Use a calibrated sprayer equipped with a fine‑mist nozzle; set the pressure to 2–3 bar to achieve uniform droplet size (approximately 100–150 µm).
Dilution must follow the manufacturer’s concentration chart. For residential treatment, mix 30 ml of concentrate per 10 L of water, yielding a solution of 0.3 % active ingredient. In commercial settings, increase to 45 ml per 10 L for a 0.45 % concentration. Verify the ratio with a calibrated measuring cup or digital dispenser before each application.
Cover all potential harborage zones: mattress seams, bed frames, baseboards, cracks, and furniture crevices. Spray until a light, even film coats surfaces; avoid oversaturation that can cause runoff. After treatment, keep rooms closed for at least 4 hours to allow the product to act, then ventilate for 30 minutes before re‑occupying.
Safety measures include wearing nitrile gloves, a full‑face respirator with organic vapor filter, and disposable coveralls. Store concentrate in a locked, temperature‑controlled cabinet, away from food and children. Dispose of empty containers according to local hazardous‑waste regulations.
Monitor efficacy by placing sticky traps in treated zones and inspecting for live insects weekly. If activity persists after two weeks, repeat the application using the same dilution, ensuring a minimum interval of 7 days between treatments to prevent resistance buildup.
Maintain records of product batch number, dilution ratio, application date, and personnel involved for regulatory compliance and future reference.